Snowmobile ski



FIG. 1 is a top plan view of the snowmobile ski showing my new design;

FIG. 2 is a side elevational view thereof, wherein the opposite side is a mirror image of the side shown;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof; and

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a snowmobile ski, substantially as shown and described. 